Water screen overlay texture is mirrored

Discovered while testing MC-241000 and MC-241005.

The bug

The texture which is used to cover the screen when underwater appears horizontally flipped when used in-game compared to its actual texture file.

How to reproduce

1. Download and apply the water distinguisher texture pack from MC-241005

2. Enter an underwater area

3. Take note of the right-to-leftness of the Latin-script text used in the texture

Expected results

The texture would be used in the same orientation as it is in file form.

Actual results

The texture appears mirrored for some reason.